package com.example.homework.homework04;

// 键盘类
public class KeyBoard implements USB {
    @Override
    public void connect() {
        System.out.println("键盘连接成功");
    }

    @Override
    public void disconnect() {
        System.out.println("键盘断开连接成功");
    }

    public void input() {
        System.out.println("键盘输入了 hello");
    }
}
